Two, but not one, sessions’ anodal tDCS improved contrast sensitivity
Qing He1,2; Bo-Rong Lin1,2; Chang-Bing Huang1
2017-07
Conference Name2017年第二届曲阜视觉科学会议
Conference Date2017.7.2
Conference Place曲阜
Other Abstract

Transcranial direct-current stimulation (tDCS) is a well-established noninvasive brain stimulation technique that has been widely applied to modulate cortical excitability in the human brain. Previous tDCS studies on modulating contrast sensitivity, one of the most fundamental visual function, were mixed. In the current study, we designed a single blind, sham-controlled with-subject study to investigate the effects of tDCS on contrast sensitivity functions (CSF), assessed with a quick procedure that accurately estimated CSF within minutes (Lesmes et al., 2010). Twenty-seven healthy adult subjects received three sets of 15-min tDCS (two 2-mA anodal and one sham), with CSF measured before and after tDCS stimulation. The tDCS were delivered at Oz and separated by at least twenty-four hours. The results indicated that one-session anodal tDCS didn’t alter the CSF’s significantly; an extra session of tDCS led to improved CSF, most around mid-frequency. These results were discussed within the measurement precision. Our findings also suggested that the cortical excitation elicited by external electrical stimulation might be cumulative.

Keywordtranscranial direct current stimulation tDCS contrast sensitivity function CSF qCSF
Language英语
Document Type会议论文
Identifierhttp://ir.psych.ac.cn/handle/311026/22128
Collection心理所主办、承办、协办学术会议_2017年第二届曲阜视觉科学会议_会议摘要
Affiliation1.Institute of Psychology, Chinese Academy of Sciences
2.University of Chinese Academy of Sciences
First Author AffilicationInstitute of Psychology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Qing He,Bo-Rong Lin,Chang-Bing Huang. Two, but not one, sessions’ anodal tDCS improved contrast sensitivity[C],2017.
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